78300625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 110214720

約数和(自身を除く): 31914095

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 419, 575, 625, 1495, 1625, 2095, 2875, 5447, 7475, 8125, 9637, 10475, 14375, 27235, 37375, 48185, 52375, 125281, 136175, 186875, 240925, 261875, 626405, 680875, 1204625, 3132025, 3404375, 6023125, 15660125, 78300625]

約数ペア:

[(1, 78300625), (5, 15660125), (13, 6023125), (23, 3404375), (25, 3132025), (65, 1204625), (115, 680875), (125, 626405), (299, 261875), (325, 240925), (419, 186875), (575, 136175), (625, 125281), (1495, 52375), (1625, 48185), (2095, 37375), (2875, 27235), (5447, 14375), (7475, 10475), (8125, 9637)]